Electric discharge machine



FIG. 1 is a front, top and right side perspective view of an electric discharge machine, showing our new design;

FIG. 2 is a rear, top and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a reference front elevational view with the light-transmitting portion drawn by oblique lines. 

CLAIM The ornamental design for an electric discharge machine, as shown and described. 